CN2880348Y - Pipe plate automatic MIG welder diamter changing body expanding mechanism - Google Patents
Pipe plate automatic MIG welder diamter changing body expanding mechanism Download PDFInfo
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- CN2880348Y CN2880348Y CN 200620069579 CN200620069579U CN2880348Y CN 2880348 Y CN2880348 Y CN 2880348Y CN 200620069579 CN200620069579 CN 200620069579 CN 200620069579 U CN200620069579 U CN 200620069579U CN 2880348 Y CN2880348 Y CN 2880348Y
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Abstract
The utility model discloses a diameter-changing expansion element for automatic MIG welding machines, and the diameter-changing expansion element includes an expansion head [1]. The expansion head [1] is supported on the welding machine [3] through a support pole [2]. The expansion head [1] is mainly comprised of a cylinder seat [4], an expansion part [7], a front clamp [5] and a back clamp [6]. At least three grooves [12] are evenly distributed along the circumference of the wall of the cylinder seat [4], and expansion parts [7] are embedded in the grooves [12]. The front clamp [5] and the back clamp [6] are arranged at the two ends of the cylinder seat [4] shaft. The front clamp [5] and the back clamp [6] are fitted with front ends and back ends of the circumferential expansion parts, and at least one of the fitted surfaces is an inclined surface. A pushing-pulling device [9] is arranged on the front clamp [5] and the back clamp [6] to push the two clamps move forwardly along the axis. The front clamp [5] and the back clamp [6] jack the circumferential expansion parts [7] outward. The utility model is featured with large expansion force, large diameter changing range, improved positioning reliability, improved positioning accuracy and improved operation convenience.
Description
Technical field
The utility model relates to the automatic MIG of a kind of tube sheet (gas metal-arc welding) welding machine, relates in particular to the bloated body mechanism of reducing in this welder head.
Background technology
The automatic MIG welding machine of tube sheet be a kind of at the pipe with plate carry out the welding machine that automatic gas metal-arc welding connects.This welding machine is usually used in device fabrications such as chemical industry, medicine, boiler, heat exchanger and the installation exercise.The automatic MIG welding machine of tube sheet is all finished welding process by rotating welding torch, its structure as shown in Figure 5, the body front end week of this type of welding machine is upwards stretched out three support bars 27 forward, the middle part then is provided with bloated body mechanism forward, the body mechanism that should expand comprises an expansion-head 1, and this expansion-head 1 is stretched out forward from body by a horizontal support bar; During work, three support bars 27 are butted on the plate body surface of being welded, by welded tube axially on the location, expand in the body that 1 insertion of expansion-head is welded, upwards also being located, guarantee that with this pad 28 welding tracks overlap with the seam of tube sheet on welder head 19 by the footpath of welded tube.
In the existing bloated body mechanism, expansion-head is made up of expansion tube, preceding chuck and back chuck, the expansion tube is made for carbon steel, its two ends week upwards is distributed and is provided with groove, chuck and back chuck before the two-port of corresponding expansion tube is provided with respectively, and effect has push-pull mechanism on preceding chuck and back chuck, handle preceding chuck and back chuck move toward one another with push-pull mechanism, in the two-port of preceding chuck and back chuck embedded expanding tube, will expand two-port support expansion greatly in the tube, thereby expand.There is following defective in this bloated body mechanism: expansion was the expansion tube when 1, the expansion-head of this bloated body mechanism expanded, though and the expansion tube is made by carbon steel, has a point elasticity, but elasticity is limited eventually, the expansion mobility can not be very big, the reducing scope of expansion-head little (generally having only several), usually existed the worker poor by the internal diameter of welded tube and circularity in actual use, following two kinds of situations appear in regular meeting: otherwise expansive force is not enough, the location is loosening, the expansion-head turnover is by the welded tube difficulty, thus the quality of influence welding and the speed of welding; 2, an expansion tube reducing is limited in scope, a kind of expansion-head only be applicable to a kind of caliber same wall thickness by welded tube, when simultaneously can not be not general by the wall thickness of welded tube, the versatility extreme difference; 3, push-pull mechanism is generally simple tiller mechanism, and its stress concentrates on the handle, and handle is easily broken, and fastness is poor.
Summary of the invention
The utility model purpose provides the bloated body mechanism of the automatic MIG welding machine of tube sheet reducing that a kind of expansive force is big, the reducing scope is big, to improve reliability of positioning, positional accuracy and operation convenience.
For achieving the above object, the technical solution adopted in the utility model is: the automatic MIG welding machine of a kind of tube sheet reducing body mechanism that expands, comprise an expansion-head, and this expansion-head is supported on the welding machine body through horizontal support bar; Mainly form in the described expansion-head by cylindrical seat, expansion body, preceding chuck and back chuck; The barrel upper edge of cylindrical seat is circumferentially uniform to offer at least three grooves, is embedded expansion body in the groove; Chuck and back chuck before the place, axial two ends of cylindrical seat is provided with respectively; Before chuck and back chuck with week each expansion body of making progress front-end and back-end contact cooperation, contact among both of cooperation and have at least one to be the inclined-plane; And on preceding chuck and back chuck effect being set there is push-pull mechanism, and chuck and back chuck are made move toward one another vertically before promoting with this, and preceding chuck and back chuck outwards support out each expansion body that makes progress in week.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described " the barrel upper edge of cylindrical seat is circumferentially uniform to offer at least three grooves; be embedded expansion body in the groove " means on the radial section of cylindrical seat, be provided with at least three expansion body along circumferentially evenly slotting, these expansion body are movably arranged in the groove on the barrel, (radially) motion about they can be done in groove.The shape of expansion body is generally rectangular bulk, its lateral cross section shape be rectangle or fan-shaped all can, quantity specifically can be three, four, five and more than, the best is three and four.
2, in the such scheme, described " preceding chuck and back chuck contacts cooperations with the front-end and back-end of each expansion body of making progress of week; contact that to have at least among both of cooperation one be the inclined-plane " means the contact position in forward and backward chuck and each expansion body: or the inclined-plane is set on the expansion body, or the inclined-plane is set on the forward and backward chuck; The guide surface that this inclined-plane extends out as expansion body, when the chuck reach of back, the distance between forward and backward chuck shortens, and forward and backward chuck extruding expansion body makes expansion extend out along the inclined-plane.
Concrete preferred plan is: preceding chuck and back chuck are bullet, and they embed in the cylindrical seat with its small end, and contact cooperation with its conical surface with each expansion body; And external parts not on each expansion body, direct cone match with its right angle, arc chord angle or inclined-plane and preceding chuck and back chuck, certainly, the best is that the contact position of following two schemes: a, each expansion body and the front and back chuck conical surface is provided with a bearing pin, constituting the line contact with this is slidingly matched, this bearing pin material can be done heat treatment separately, to improve rigidity, abrasion resistance.The contact position of b, each expansion body and the front and back chuck conical surface is provided with roller bearing or ball, constitutes to roll with this to cooperate, and reduces frictional force.
3, in the such scheme, the effect of being provided with on described each expansion body has a spring, and the direction that contracts in spring action direction and the expansion body is consistent.During work, when the power that postpones chuck before the drawing mechanism was cancelled, each expansion body promptly contracted in synchronously under the spring force effect and resets, and expansion-head returns back to contraction state fast, this moment just can be easily with it from being taken out the welded tube body.
Nearly step preferred version of spring and expansion body setting is: the rear and front end of each expansion body outwards is provided with lug boss, establishes expansion face on this lug boss; Two lug bosses of then corresponding each expansion body are offered two ring recess in the axial direction on the barrel of cylindrical seat, and two lug bosses of each expansion body stretch out outside cylindrical seat through each groove; Described spring is a stage clip, and it is located between the barrel of each expansion body and cylindrical seat.
4, in the such scheme, described drawing mechanism be meant can handle moving before chuck and back chuck make the various mechanisms of move toward one another.Concrete preferred version is: described horizontal support bar runs through expansion-head vertically, wherein, horizontal support bar and back chuck matched in clearance, horizontal support bar is fixedly sleeved with preceding chuck or be connected by front end a positioning block axial location; The chuck rear end effect of described back has a slider-rocker mechanism, this mechanism comprises connecting rod, rocking bar and pusher, pusher is slidingly arranged on the horizontal support bar vertically, its front end is butted on the rear end face of back chuck, the front end of its rear end and connecting rod is hinged, the rear end of connecting rod is hinged with the rocking bar front end again, and the rear end of rocking bar is hinged to be positioned on the horizontal support bar; And extension is provided with control crank on connecting rod or rocking bar, constitutes push-pull mechanism with this.
This bloated body mechanism is installed on the welding machine, when will be on horizontal support bar when directly frame is provided with the head that needs rotation, can adopt following scheme: the turning set that is provided with the stationary welding machine head on the rear end of described horizontal support bar through bearing holder (housing, cover), described pusher is made up of the slip cap of a front portion and the rotation slider at rear portion, described rotation slider is made of sleeve pipe and bearing, sleeve pipe is connected on the horizontal support bar by bearing holder (housing, cover), slip cap is socketed on the horizontal support bar, its front end is butted on the rear portion of back chuck, its rear end is butted on the bearing inner race of supporting sleeve, the connecting rod that is hinged with symmetrical two covers between the rear end of sleeve pipe and the turning set is connected with rocking bar, and extends an operating grip on two connecting rods.
And in order to locate under the expansion-head swelling state, the latching point of corresponding this slider-rocker mechanism is provided with a gear at (on turning set) near the handle, and is spacing to handle with gear.In this slider-rocker mechanism, when rocking bar, connecting rod upwards turned over a linear state, handle was resisted against on the turning set, is self-locking state, as shown in Figure 1.
5, in the such scheme, described horizontal support bar is provided with adjusting nut in the front portion of preceding chuck, and this adjusting nut is connected with screw thread pair with horizontal support bar, with this preceding chuck is connected to be positioned on the horizontal support bar.During use, regulate adjusting nut, preceding chuck also moves forward and backward thereupon, but with the amplitude that this coarse adjustment expansion body extends out, determines the reducing scope of expansion-head.
6, in the such scheme, can correspondence on the outer of described expansion body foldedly again establish fixedly one deck expansion body, strengthen the radial dimension of expansion-head with this.When by welded tube being the tubule footpath, just unloading outer field expansion body and use; When being big caliber, just loading onto the expansion body of outer dress and use by welded tube; With this scope of application that has increased this bloated body mechanism, go for two kinds of calibers by welded tube.
The utility model operation principle and process are: during work, the utility model is a chuck and back chuck move toward one another before handling with drawing mechanism, preceding chuck and back chuck force a circle expansion body that makes progress in cylindrical seat week to extend out synchronously from each expansion body of both sides, front and back extruding.Shown in accompanying drawing 1, accompanying drawing 2, represent swelling state among the figure, rocking bar 15 and connecting rod 16 are a straight line substantially, and slip cap 21 is supporting back chuck 6 to anteposition, and this moment, expansion body 7 was to extending out expansion.In the time will shrinking, can outwards pull control crank 17 by arrow among the figure, the pin joint that rocking bar 15 and connecting rod are 16 promptly as shown arrow move downward, the angle that rocking bar 15 and connecting rod are 16 diminishes, slip cap 21 is withdrawn backward, the thrust at back chuck 6 rear portions is cancelled, expansion body 7 promptly bounces back under the effect of spring 10, back chuck 6 also is pushed and retreats, be contraction state this moment, the outside dimension minimum, can insert expansion-head 1 by in the welded tube body this moment, and then return and pull control crank 17, and the pin joint that makes 16 on rocking bar 15 and connecting rod is to answering to accompanying drawing 1, position shown in the accompanying drawing 2, slip cap 21 reaches postpone chuck 6 forward, distance between preceding chuck 5 and the back chuck 6 shortens, and each expansion body 7 is to expand laterally along the conical surface 13 on preceding chuck 5 and the back chuck 6 while, and the expansion face 8 of expansion body 7 (or outer expansion body 25) is closely against by on the welded tube body internal diameter, reliable location, weld this moment.When welding finishes, pull control crank 17 outward once more, expansion-head 1 is shunk, can be easily from being taken out the welded tube body.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because the design principle that the expansion body that the utility model has adopted former chuck and the relative cramping of back chuck to force cylindrical seat week to make progress extends out, the reducing scope can design greatlyyer, reliable in the time of both can having guaranteed to expand the location can guarantee again can insert easily by in the welded tube body or from being taken out the welded tube body when expansion-head is shunk; On the other hand, the reducing scope is big, also makes the bloated body mechanism scope of application of this reducing wider, and what the wall thickness of same caliber was different can be general by welded tube.
2, same because the utility model has adopted the design principle that the expansion body that forces cylindrical seat week to make progress with the relative cramping of forward and backward chuck extends out, and each expansion body is supported out by forward and backward chuck, and its expansive force is big, and therefore the location is reliable, is difficult for loosening.
3, same because the utility model has adopted the design principle that the expansion body that forces cylindrical seat week to make progress with the relative cramping of forward and backward chuck extends out, and each expansion body extends out synchronously, has guaranteed the degree of accuracy of location.
4, constitute by slider-rocker mechanism and horizontal support bar owing to the utility model drawing mechanism, the stress of this mechanism can not concentrate on the handle, therefore sturdy and durable, long service life, and this mechanism has latching point from structure, spacing in conjunction with handle, promptly reached the self-locking effect, located more reliable.
5, owing to can fold again and establish one deck expansion body on the expansion body of the present utility model, make an expansion-head applicable to two kinds of calibers of size by welded tube, one deck expansion body that unloads the outside during to the tubule footpath gets final product one deck expansion body outside then adding during to big caliber.
6, the utility model is easy and simple to handle, and the smooth compliance of equipment is good.
Description of drawings
Accompanying drawing 1 is the front view of the bloated body mechanism of the utility model reducing;
Accompanying drawing 2 is the A-A cutaway view of Fig. 1;
Accompanying drawing 3 is looked cutaway view for the master of the utility model expansion-head;
Accompanying drawing 4 is the left view of Fig. 3;
Accompanying drawing 5 is for having the automatic MIG welding machine of the tube sheet stereogram of the bloated body mechanism of the utility model reducing.
In the above accompanying drawing: 1, expansion-head; 2, horizontal support bar; 3, body; 4, cylindrical seat; 5, preceding chuck; 6, back chuck; 7, expansion body; 8, expansion face; 9, drawing mechanism; 10, spring; 11, lug boss; 12, groove; 13, the conical surface; 14, bearing pin; 15, connecting rod; 16, rocking bar; 17, control crank; 18, bearing; 19, head; 20, turning set; 21, slip cap; 22, rotate slider; 23, sleeve pipe; 24, bearing; 25, outer expansion body; 26, adjusting nut; 27, support bar; 28, pad; 29, jump ring.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1～4, the automatic MIG welding machine of a kind of tube sheet reducing body mechanism that expands, comprise an expansion-head 1, this expansion-head 1 is supported on the welding machine body 3 through horizontal support bar 2, mainly is made up of cylindrical seat 4, preceding chuck 5, back chuck 6 and expansion body 7 in the described expansion-head 1; The forward and backward both ends open of cylindrical seat 4, chuck 5 before establishing in its front port, establish back chuck 6 in the rear port, preceding chuck 5 and back chuck 6 are a bullet, they embed in the cylindrical seat 4 with its small end, the front and back end ports place of cylindrical seat 4 is provided with jump ring 29, with jump ring 29 preceding chuck 5, back chuck 6 is limited in the cylindrical seat 4; The barrel upper edge of cylindrical seat 4 circumferentially is laid with four grooves 12, establishes expansion body 7 in the groove 12, and the rear and front end of these four expansion body 7 outwards is provided with lug boss 11, establishes expansion face 8 on this lug boss 11, and lug boss 11 stretches out outside cylindrical seat 4 through groove 12; The interior of four expansion body 7 that make progress in week contacts cooperation along front end with the conical surface 13 of preceding chuck 5, in contact cooperation along the rear end with the back conical surface 13 of chuck 6, and each expansion body 7 is provided with bearing pin 14 with the contact position of the forward and backward chuck conical surface 13, constitutes the line contact with this and is slidingly matched.And on preceding chuck 5 and back chuck 6 effect being set there is push-pull mechanism 9, and chuck 5 and back chuck 6 are made move toward one another vertically before promoting with this, and preceding chuck 5 and back chuck 6 outwards support out each expansion body 7 that makes progress in week.
Described horizontal support bar 2 runs through expansion-head 1 vertically, wherein, horizontal support bar 2 and back chuck 6 matched in clearance, horizontal support bar 2 connects by front end a positioning block axial location, described locating piece is an adjusting nut 26, the front portion of chuck 6 before this adjusting nut 26 is arranged at, and be connected with screw thread pair with horizontal support bar 2, with this preceding chuck 5 connections are positioned on the horizontal support bar 2, regulate the position of adjusting nut 26, preceding chuck 5 promptly moves forward and backward, but with the amplitude that this coarse adjustment expansion body 7 extends out, determines the reducing scope of expansion-head 1.
Be arranged with the turning set 20 of stationary welding machine head 19 on the rear end of described horizontal support bar 2 through bearing 18; The chuck rear end effect of described back has a slider-rocker mechanism, this mechanism comprises connecting rod 15, rocking bar 16 and pusher, pusher is made up of the slip cap 21 of a front portion and the rotation slider 22 at rear portion, described rotation slider 22 is made of sleeve pipe 23 and bearing 24, and sleeve pipe 23 is socketed on the horizontal support bar 2 by bearing 24; Slip cap 21 is socketed on the horizontal support bar 2, its front end is butted on the rear portion of back chuck 6, its rear end is butted on bearing 24 inner rings of supporting sleeve 23, the connecting rod 15 that is hinged with symmetrical two covers between the rear end of sleeve pipe 23 and the turning set 20 is connected with rocking bar 16, and extends an operating grip 17 on two connecting rods 15.And operating grip 17 is resisted against under swelling state on the end of turning set 20 and locatees.
And effect has spring 10 between expansion body 7 and cylindrical seat 4 barrels, and this spring 10 is a stage clip, and spring force forces in the expansion body 7 and contracts.Can correspondence on the outer of four expansion body 7 folded again fixedly one deck skin expansion body 25 of establishing, strengthen the radial dimension of expansion-head with this, when being used of the little caliber of correspondence by welded tube, just unload outer expansion body 25, when being used of the big caliber of correspondence by welded tube, just load onto outer expansion body 25, make expansion-head 1 can be applicable to two kinds of calibers by the welded tube body.
Present embodiment is installed in the user mode on the welding machine, as shown in Figure 5.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (10)
1, the bloated body mechanism of the automatic MIG welding machine of a kind of tube sheet reducing, comprise an expansion-head [1], this expansion-head [1] is supported on the welding machine body [3] through horizontal support bar [2], it is characterized in that: mainly be made up of cylindrical seat [4], expansion body [7], preceding chuck [5] and back chuck [6] in the described expansion-head [1]; The barrel upper edge of cylindrical seat [4] is uniform at least three grooves [12] that offer circumferentially, are embedded expansion body [7] in the groove [12]; The place, axial two ends of cylindrical seat [4] is provided with preceding chuck [5] and back chuck [6] respectively; Before chuck [5] and back chuck [6] with week each expansion body of making progress front-end and back-end contact cooperation, contact among both of cooperation and have at least one to be the inclined-plane; And on preceding chuck [5] and back chuck [6] effect being set there is push-pull mechanism [9], promotes preceding chuck [5] and back chuck [6] is made move toward one another vertically with this, preceding chuck [5] and afterwards chuck [6] outwards support out each expansion body [7] that makes progress in week.
2, the reducing according to claim 1 body mechanism that expands, it is characterized in that: the effect of being provided with on described each expansion body [7] has spring [10], and the direction that contracts in spring action direction and the expansion body [7] is consistent.
3, the bloated body mechanism of reducing according to claim 2, it is characterized in that: the rear and front end of described each expansion body [7] outwards is provided with lug boss [11], establishes expansion face [8] on this lug boss [11]; Two lug bosses [11] of then corresponding each expansion body [7] are offered two ring recess [12] in the axial direction on the barrel of cylindrical seat [4], and two lug bosses [11] of each expansion body [7] stretch out outside cylindrical seat [4] through each groove [12]; Described spring [10] is a stage clip, and it is located between the barrel of each expansion body [7] and cylindrical seat [4].
4, the bloated body mechanism of reducing according to claim 1, it is characterized in that: chuck [5] and back chuck [6] are a bullet before described, and they embed in cylindrical seat [4] with its small end, and contact cooperation with its conical surface [13] with each expansion body [7].
5, the bloated body mechanism of reducing according to claim 4, it is characterized in that: each expansion body [7] is provided with bearing pin [14] with the contact position of the front and back chuck conical surfaces [13], constitutes the line contact with this and is slidingly matched.
6, the bloated body mechanism of reducing according to claim 4, it is characterized in that: each expansion body [7] is provided with roller bearing or ball with the contact position of the front and back chuck conical surfaces [13], constitutes to roll with this to cooperate.
7, the bloated body mechanism of reducing according to claim 1, it is characterized in that: described horizontal support bar [2] runs through expansion-head [1] vertically, wherein, horizontal support bar [2] and back chuck [6] matched in clearance, horizontal support bar [2] is fixedly sleeved with preceding chuck [5] or be connected by front end a positioning block axial location; The chuck rear end effect of described back has a slider-rocker mechanism, this mechanism comprises connecting rod [15], rocking bar [16] and pusher, pusher is slidingly arranged on the horizontal support bar [2] vertically, its front end is butted on the rear end face of back chuck [6], the front end of its rear end and connecting rod [15] is hinged, the rear end of connecting rod [15] is hinged with rocking bar [16] front end again, and the rear end of rocking bar [16] is hinged to be positioned on the horizontal support bar [2]; And, at connecting rod [15] or last extension of rocking bar [16] control crank [17] is set, constitute push-pull mechanism [9] with this.
8, the bloated body mechanism of reducing according to claim 7, it is characterized in that: the turning set [20] that is arranged with stationary welding machine head [19] on the rear end of described horizontal support bar [2] through bearing [18], described pusher is made up of the slip cap [21] of a front portion and the rotation slider [22] at rear portion, described rotation slider [22] is made of sleeve pipe [23] and bearing [24], and sleeve pipe [23] is socketed on the horizontal support bar [2] by bearing [24]; Slip cap [21] is socketed on the horizontal support bar [2], its front end is butted on the rear portion of back chuck [6], its rear end is butted on bearing [24] inner ring of supporting sleeve [23], the connecting rod [15] that is hinged with symmetrical two covers between the rear end of sleeve pipe [23] and the turning set [20] is connected with rocking bar [16], and extends an operating grip [17] on two connecting rods [15].
9, the bloated body mechanism of reducing according to claim 7, it is characterized in that: described horizontal support bar [2] is provided with adjusting nut [26] in the front portion of preceding chuck [5], this adjusting nut [26] is connected with screw thread pair with horizontal support bar [2], with this preceding chuck [5] is connected to be positioned on the horizontal support bar [2].
10, the reducing according to claim 1 body mechanism that expands is characterized in that: can the folded again fixedly one deck skin expansion body [25] of establishing of correspondence on the outer of described each expansion body [7], strengthen the radial dimension of expansion-head with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069579 CN2880348Y (en) | 2006-02-21 | 2006-02-21 | Pipe plate automatic MIG welder diamter changing body expanding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069579 CN2880348Y (en) | 2006-02-21 | 2006-02-21 | Pipe plate automatic MIG welder diamter changing body expanding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN2880348Y true CN2880348Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620069579 Expired - Fee Related CN2880348Y (en) | 2006-02-21 | 2006-02-21 | Pipe plate automatic MIG welder diamter changing body expanding mechanism |
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| CN (1) | CN2880348Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039468B (en) * | 2009-10-19 | 2013-04-17 | 深圳市瑞凌实业股份有限公司 | Automatic welding gun for tube-plate circumferential welding |
| CN114603282A (en) * | 2022-03-28 | 2022-06-10 | 远景动力技术(江苏)有限公司 | Welding device, adapter of cylindrical battery and shell welding method |
| CN115288304A (en) * | 2022-08-12 | 2022-11-04 | 中国建筑第八工程局有限公司 | Steel waistband structure for connecting cylindrical wall body and floor slab, welding equipment and method |
-
2006
- 2006-02-21 CN CN 200620069579 patent/CN2880348Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039468B (en) * | 2009-10-19 | 2013-04-17 | 深圳市瑞凌实业股份有限公司 | Automatic welding gun for tube-plate circumferential welding |
| CN114603282A (en) * | 2022-03-28 | 2022-06-10 | 远景动力技术(江苏)有限公司 | Welding device, adapter of cylindrical battery and shell welding method |
| CN115288304A (en) * | 2022-08-12 | 2022-11-04 | 中国建筑第八工程局有限公司 | Steel waistband structure for connecting cylindrical wall body and floor slab, welding equipment and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20150221 |
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| EXPY | Termination of patent right or utility model |